| Literature DB >> 17639235 |
John Walley, M Amir Khan, Sayed Karam Shah, Sophie Witter, Xiaolin Wei.
Abstract
Mesh:
Year: 2007 PMID: 17639235 PMCID: PMC2636352 DOI: 10.2471/blt.07.042531
Source DB: PubMed Journal: Bull World Health Organ ISSN: 0042-9686 Impact factor: 9.408